The patch titled
cpu hotplug: remove unused cpuhotplug_mutex_lock()
has been added to the -mm tree. Its filename is
cpu-hotplug-remove-unused-cpuhotplug_mutex_lock.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: cpu hotplug: remove unused cpuhotplug_mutex_lock()
From: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
cpuhotplug_mutex_lock() is not used, remove it.
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/cpu.h | 16 ----------------
1 file changed, 16 deletions(-)
diff -puN include/linux/cpu.h~cpu-hotplug-remove-unused-cpuhotplug_mutex_lock include/linux/cpu.h
--- a/include/linux/cpu.h~cpu-hotplug-remove-unused-cpuhotplug_mutex_lock
+++ a/include/linux/cpu.h
@@ -23,7 +23,6 @@
#include <linux/node.h>
#include <linux/compiler.h>
#include <linux/cpumask.h>
-#include <linux/mutex.h>
struct cpu {
int node_id; /* The node which contains the CPU */
@@ -103,16 +102,6 @@ extern struct sysdev_class cpu_sysdev_cl
#ifdef CONFIG_HOTPLUG_CPU
/* Stop CPUs going up and down. */
-static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex)
-{
- mutex_lock(cpu_hp_mutex);
-}
-
-static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex)
-{
- mutex_unlock(cpu_hp_mutex);
-}
-
extern void get_online_cpus(void);
extern void put_online_cpus(void);
#define hotcpu_notifier(fn, pri) { \
@@ -126,11 +115,6 @@ int cpu_down(unsigned int cpu);
#else /* CONFIG_HOTPLUG_CPU */
-static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex)
-{ }
-static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex)
-{ }
-
#define get_online_cpus() do { } while (0)
#define put_online_cpus() do { } while (0)
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
_
Patches currently in -mm which might be from laijs@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
cpu-hotplug-remove-unused-cpuhotplug_mutex_lock.patch
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